import csv

with open('DHProdPowerStrips.csv', 'rb') as csvfile:
    record_reader = csv.reader(csvfile, delimiter=',')

    for index, row in enumerate(record_reader):
        if index in {0, 1, 2, 3}: continue
        print row[8]

with open('DHProdRectifiers.csv') as csvfile:
    record_reader = csv.reader(csvfile, delimiter=',')

    for index, row in enumerate(record_reader):
        if index in {0, 1, 2, 3}: continue
        print row[8]
